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Combination Effect of Optical Defocus and Low Dose Atropine in Myopia Control

NCT06358755 · Status: ACTIVE_NOT_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 112

Last updated 2026-04-22

No results posted yet for this study

Summary

The purpose of the study is to investigate the combination effect of optical defocus and low dose atropine on myopia control in schoolchildren.

Conditions

  • Myopia

Interventions

DEVICE

Defocus Incorporated Multiple Segments lenses

Defocus Incorporated Multiple Segments lenses that provide optical defocus for myopia control will be given to this group of participants.

DEVICE

single vision spectacle lenses

Single vision spectacle lenses will be given to this group of participants.

DRUG

Low dose atropine

0.01% atropine administrated twice per day (1 drop in the morning and 1 drop at night before bedtime) will be given as intervention.

Sponsors & Collaborators

  • The University of Hong Kong

    collaborator OTHER

  • The Hong Kong Polytechnic University

    lead OTHER

Principal Investigators

  • Rachel Ka Man Chun, PhD · The Hong Kong Polytechnic University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
7 Years
Max Age
12 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2024-07-12
Primary Completion
2026-05-30
Completion
2027-01-31

Countries

  • Hong Kong

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06358755 on ClinicalTrials.gov